Notes and Study material for Exams
INFORMATION TECHNOLOGY LAW INCLUDING CYBER LAWS (CONCEPTS, PURPOSE, PROSPECTS) In India, cyber laws are contained in the Information Technology Act, 2000 (“IT Act”) which came into force on October 17, 2000. The main purpose of the Act is to provide legal recognition to electronic commerce and to facilitate filing of electronic records with the Government. … Read more
Elements of a Communication System Elements of a communication system The above figure depicts the elementsof a communication system. There are three essential parts of any communication system, the transmitter, transmission channel, and receiver. Each parts plays a particular role in signal transmission, as follows: The transmitter processes the input signal to produce a … Read more
Cyber security is a process, technique or procedure to ensure information security goals. Aim of Information Security is to provide CIA i.e. Confidentiality of information Integrity of information Availability of information These 3 parameters (CIA) are called security goals/security Services. The other security objectives also include such other parameters as authenticity, authorisation, accounting and … Read more
Communication networks are a part of our critical information
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> Definition of digital computer, Elements of computer: Input unit, Output unit, Primary memory, Secondary memory and Processing unit. Computer is an electronic device that is designed to work with Information. term computer is derived from the Latin term‘computare’, this means to calculate or programmable machine. Computer cannot do anything without a … Read more
FUNCTIONS OF MANAGEMENT – ORGANIZING Organizing is the process of identification and grouping of activities, assigning duties and delegating authority to the managers, allocating necessary Resources and establishing coordination among individuals and department of an organization with a view to attain its objectives. PROCESS OF ORGANIZING : The process of organising consists … Read more
Telecommunication Telecommunications, also known as telecom, is the exchange of information over significant distances by electronic means and refers to all types of voice, data and video transmission. This is a broad term that includes a wide range of information transmitting technologies such as telephones (wired and wireless), microwave communications, fiber optics, satellites, … Read more
FRACTIONS Any unit can be divided into any numbers of equal parts, one or more of this parts is called fraction of that unit. e.g. one-forth (1/4), one-third (1/3), three-seventh (3/7) etc. The lower part indicates the number of equal parts into which the unit is divided, is called denominator. The upper part, which indicates the number … Read more
